You can rest assured to buy Nextgen Pyrolytic Boron Nitride Machined from our factory. wish to be a long-term partner with you. PBN (Pyrolytic Boron Nitride) Machined Product is synthesized on the mold by CVD process, with BCl3 and NH3 at high temperature and low pressure. PBN products are extremely pure (99.99% or even higher) and very stable in a vacuum or inert atmosphere. Nextgen Advanced Materials supplies PBN (Pyrolytic Boron Nitride) Machined Product with high quality and fast delivery. Customization is available too.